Efrem Michael Cox, MD
Neurological Surgery Physician · Las Vegas, NV
Efrem Michael Cox, MD is a neurological surgery physician with a practice address in Las Vegas, Nevada, and NPI 1841581527, issued on Apr 28, 2011. Check the license (Nevada 19177, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Efrem Michael Cox
- Credential
- MD
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License number
- 19177 NV
Self-reported in NPPES; status is on the state search - Practice location
- 8530 W Sunset RD Ste 250, Las Vegas, NV 89113
- Phone
- (702) 851-0792
- Enumerated
- Apr 28, 2011
- Record last updated
- Feb 12, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (702) 851-0797
- Medicaid ID
- 1841581527 NV
- Medicare enrollment
- Enrolled (PECOS I20200205000617); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 46 in Nevada → Look up another NPI →
Also registered at 8530 W Sunset RD Ste 250
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberly Dahlberg, PAPhysician Assistant1376254953
- Juliana Hernandez, PA-CPhysician Assistant1588488142
- Michael Verni, M.D.Urology Physician1376516864
Verify Efrem Michael Cox in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license 19177Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.6 times the Medicare Part D claims of the average neurological surgery physician in 2024
611 Medicare Part D claims for 162 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Meloxicam268 claims
- Gabapentin140 claims
- Methocarbamol124 claims
- Pregabalin13 claims
- Oxycodone-Acetaminophen12 claims
- Cyclobenzaprine Hcl11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 98.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $4,539.37
82 payments; by number, the most common kind was food and beverage; the largest payer was Providence Medical Technology, Inc. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Duke Forage Anson Neurosurgical LLPLake Havasu City, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Efrem Michael Cox among 46 neurological surgery physician records in Nevada
Efrem Michael Cox, MD is one of 46 neurological surgery physician records with a practice address in Nevada. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 76% of them.
- NPI issued2011 · 76% of these records are older, 20% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2011 · median 1997 among the 32 with a school on file
- Record last updated2020 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in Nevada
There are 46 neurological surgery physician records in Nevada.
All 46 in Nevada → Every provider in Las Vegas → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- John Anson, M.D.Las Vegas, NV 891131891752176
- Gary Flangas, MDLas Vegas, NV 891131063594315
- Debra Nelson, M.D.Las Vegas, NV 891131710069042
- Michael Seiff, M.D.Las Vegas, NV 891131992762215
- Keith Blum, DOLas Vegas, NV 891171558417345
- Taryn Bragg, MDLas Vegas, NV 891091538322813
- Gregory Douds, M.D.Las Vegas, NV 891171407072382
- Jason Garber, M.D.Las Vegas, NV 891171164489480
Common questions
What is Efrem Michael Cox, MD's NPI number?
Efrem Michael Cox, MD's National Provider Identifier (NPI) is 1841581527, issued on Apr 28, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Efrem Michael Cox, MD located?
The NPPES record lists a practice address at 8530 W Sunset RD Ste 250, Las Vegas, NV, 89113. Phone: (702) 851-0792. Providers update this record themselves, so call before visiting.
How can I verify Efrem Michael Cox, MD's license?
NPPES lists Nevada license number 19177, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Efrem Michael Cox, MD prescribe under Medicare Part D?
In 2024, Efrem Michael Cox, MD had 611 Medicare Part D claims for 162 beneficiaries; the average among neurological surgery physician prescribers was 172. Part D covers Medicare prescriptions only.
What is Efrem Michael Cox, MD's MIPS final score?
The 2023 MIPS final score is 98.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.